Richard Haig, a charming and rakish English professor at Cambridge University, thrives on his career and the intellectual appeal of romantic poetry. His life takes an unexpected turn when he begins a passionate affair with Kate, a graduate student attending his lectures. When Kate becomes pregnant, Richard decides to turn over a new leaf and marry her, moving to California to start anew. In sunny Los Angeles, Richard tries to adapt to his new responsibilities as a devoted husband and father while grappling with the difficulties of leaving behind his carefree bachelor life and prestigious academic career.

As time passes, the pressures of suburban life and evolving relationships strain their marriage. Richard finds himself struggling to maintain his marriage and career ambitions while staying true to his own desires and responsibilities. The dynamic takes another twist when Olivia, Kate's fiery half-sister, enters the scene, creating further complications. Richard must navigate a labyrinth of personal trials and moral dilemmas as he seeks happiness and fulfillment in a life drastically different from what he once envisioned. The story explores themes of love, identity, and the complexities of modern relationships.